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* Operation and maintenance cost estimates assume rehabilitation of the filter media bed surface is required after 25 years of operation.
Infiltration Trench: Life Cycle Costs (view source)
Revision as of 16:54, 20 December 2022
, 2 years ago→Notes
===Notes===
===Notes===
* Designs include [[pretreatment]] through hydrodynamic separator ([[Oil and Grit Separator]]).
* Designs include [[pretreatment]] through hydrodynamic separator ([[Oil and Grit Separator]]).
* The tool calculates costs for new (greenfield) development contexts and includes costs for contractor overhead and profit, material, delivery, labour, equipment (rental, operating and operator costs), hauling and disposal.
* The tool calculates costs for new (greenfield) development contexts and includes costs for contractor overhead and profit, material, delivery, labour, equipment (rental, operating and operator costs), hauling and disposal.
** Land value and equipment mobilization and demobilization costs are not included, assuming BMP construction is part of overall development site construction.
** Land value and equipment mobilization and demobilization costs are not included, assuming BMP construction is part of overall development site construction.